Section 0 - Engine Disassembly and Assembly - Group 00 Engine Assembly (0-02) M11 Page 0-59 The main bearing caps are numbered. The caps must be installed with the number on the cap matching the num- ber on the oil pan flange of the cylinder block. The caps must be oriented so they are lock tang to lock tang. Install the main bearing caps, capscrews and washers. Caution: Do not hit the main bearing caps with a ham- mer. The main bearing cap and bearings can be damaged. Caution: The number main bearing cap must be aligned with the dowel pins in the bearing saddle.
If the dowel pins and main bearing cap are not in alignment, the cylinder block and main bearing cap will be damaged when the capscrews are tightened. Caution: Do not use an impact wrench to tighten the capscrews; the capscrews must be tightened alternately and evenly in specific steps to the correct torque values to prevent damage to the cylinder block, main bearing caps and crankshaft.